/*
 * Copyright 2021 DataCanvas
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.dingodb.exec.operator;

import io.dingodb.common.profile.OperatorProfile;
import io.dingodb.exec.dag.Edge;
import io.dingodb.exec.dag.Vertex;
import io.dingodb.exec.fin.Fin;
import io.dingodb.exec.fin.FinWithProfiles;
import io.dingodb.exec.operator.data.Context;
import io.dingodb.exec.operator.params.RelOpParam;
import io.dingodb.exec.utils.RelOpUtils;
import io.dingodb.expr.rel.PipeOp;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;

public final class PipeOpOperator extends SoleOutOperator {
    public static final PipeOpOperator INSTANCE = new PipeOpOperator();

    public PipeOpOperator() {
    }

    @Override
    public void fin(int pin, Fin fin, @NonNull Vertex vertex) {
        if (fin instanceof FinWithProfiles) {
            FinWithProfiles finWithProfiles = (FinWithProfiles) fin;
            finWithProfiles.addProfile(vertex);
        }
        vertex.getOutList().forEach(edge -> edge.fin(fin));
    }

    @Override
    public boolean push(Context context, @Nullable Object[] tuple, @NonNull Vertex vertex) {
        RelOpParam param = vertex.getParam();
        OperatorProfile profile = param.getProfile("pipeOp");
        PipeOp relOp = (PipeOp) param.getRelOp();
        long start = System.currentTimeMillis();
        boolean result = true;
        for (Edge edge : vertex.getOutList()) {
            result = RelOpUtils.processWithPipeOp(relOp, tuple, edge, context, profile, start);
        }
        return result;
    }
}
